Import Question JSON

Current Question (ID: 8579)

Question:

$\text{Balance the following equation and choose the quantity that is the sum of the coefficients of reactants and products:}$ $\ldots\text{PtCl}_4 + \ldots\text{XeF}_2 \rightarrow \text{PtF}_6 + \ldots\text{ClF} + \ldots\text{Xe}$

Options:

1. $16$
2. $13$
3. $18$
4. $12$

Solution:

$\text{Balanced equation: } \text{PtCl}_4 + 5\text{XeF}_2 \rightarrow \text{PtF}_6 + 4\text{ClF} + 5\text{Xe}$ $\text{Verification of balance:}$ $\text{Left side: Pt = 1, Cl = 4, Xe = 5, F = 10}$ $\text{Right side: Pt = 1, F = 6 + 4 = 10, Cl = 4, Xe = 5}$ $\text{Sum of coefficients:}$ $\text{Reactants: } 1 + 5 = 6$ $\text{Products: } 1 + 4 + 5 = 10$ $\text{Total sum: } 6 + 10 = 16$

Import JSON File

Upload a JSON file containing LaTeX/MathJax formatted question, options, and solution.

Expected JSON Format:

{
  "question": "The mass of carbon present in 0.5 mole of $\\mathrm{K}_4[\\mathrm{Fe(CN)}_6]$ is:",
  "options": [
    {
      "id": 1,
      "text": "1.8 g"
    },
    {
      "id": 2,
      "text": "18 g"
    },
    {
      "id": 3,
      "text": "3.6 g"
    },
    {
      "id": 4,
      "text": "36 g"
    }
  ],
  "solution": "\\begin{align}\n&\\text{Hint: Mole concept}\\\\\n&1 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\text{ moles of carbon atom}\\\\\n&0.5 \\text{ mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6] = 6 \\times 0.5 \\text{ mol} = 3 \\text{ mol}\\\\\n&1 \\text{ mol of carbon} = 12 \\text{ g}\\\\\n&3 \\text{ mol carbon} = 12 \\times 3 = 36 \\text{ g}\\\\\n&\\text{Hence, 36 g mass of carbon present in 0.5 mole of } \\mathrm{K}_4[\\mathrm{Fe(CN)}_6].\n\\end{align}",
  "correct_answer": 4
}